U05AC

Invalid Data Received From Vehicle Thermal Management Control Module

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect operation of the cooling system
Climate control malfunctions
Check Engine Light Illuminates
Engine overheating
Fan operation errors

Causes

Temperature control module malfunction
Wiring harness damage
Poor contact in connectors
Module software failure
Short circuit in the circuit

How to Fix

Check connections and wiring integrity
Scan the module for errors
Update module firmware
Replace the temperature control module if necessary

Related codes

U05AA U05AB U05AD